[gdal-dev] TIFF with different KEYS_DS

Jorge Martin jormarfe at gmail.com
Tue May 17 07:54:54 EDT 2011

Hello Frank,

I am reading libtiff manual and it is possible to write different IFD
(directories, I do not know the correct word) in the same tiff file
using *TIFFWriteDirectory
*function. Is it possible to use it in gdal library?

Many thanks,


2011/5/17 Jorge Martin <jormarfe at gmail.com>

> Hello Frank,
>         TIFF 6.0 specifications has a sub-section in page 16 which is
> called "Multiple Image per TIFF file" and there is only a description of
> this issue but anything about its implementation:
>  "There may be more than one IFD in a TIFF file. Each IFD defines a
> subfile. One potential use of subfiles is to describe related images, such
> as the pages of a facsimile transmission. A Baseline TIFF reader is not
> required to read any IFDs beyond the first one."
>         Is it possible to implement it?
> Best Regards,
> 2011/5/17 Frank Warmerdam <warmerdam at pobox.com>
>> On 11-05-16 07:08 PM, Jorge wrote:
>>> Hello,
>>> Many thanks for your help, but if I want to generate a tiff file which
>>> contains
>>> multiples images, How I can do it using gdal? because I know that tiff
>>> standard
>>> allows to generate multiple images in a single tiff file.
>> Jorge,
>> I have skimmed the GeoTIFF driver and it does not seem to support creating
>> multi-image files (with special exceptions for overviews and masks).  I
>> thought maybe I had implemented a mechanism to add new images to an
>> existing
>> GeoTIFF file but apparently not.
>> Best regards,
>> --
>> ---------------------------------------+--------------------------------------
>> I set the clouds in motion - turn up   | Frank Warmerdam,
>> warmerdam at pobox.com
>> light and sound - activate the windows | http://pobox.com/~warmerdam
>> and watch the world go round - Rush    | Geospatial Programmer for Rent
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